83954657 has 2 divisors, whose sum is σ = 83954658. Its totient is φ = 83954656.

The previous prime is 83954621. The next prime is 83954683. The reversal of 83954657 is 75645938.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83247376 + 707281 = 9124^2 + 841^2 .

It is a cyclic number.

It is not a de Polignac number, because 83954657 - 2¹⁶ = 83889121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83954257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41977328 + 41977329.

It is an arithmetic number, because the mean of its divisors is an integer number (41977329).

Almost surely, 2^83954657 is an apocalyptic number.

It is an amenable number.

83954657 is a deficient number, since it is larger than the sum of its proper divisors (1).

83954657 is an equidigital number, since it uses as much as digits as its factorization.

83954657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 47.

The square root of 83954657 is about 9162.6773925529. The cubic root of 83954657 is about 437.8730980054.

The spelling of 83954657 in words is "eighty-three million, nine hundred fifty-four thousand, six hundred fifty-seven".